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Why is default gateway DHCP server and DNS server the same?
The preferred DNS server is the DNS server that will be used first for DNS name resolution. A default gateway is the host that your server will use when trying to connect to anything that’s not on the same network as it is.
Why is a default gateway needed?
A default gateway makes it possible for devices in one network to communicate with devices in another network. If a computer, for example, requests a web page, the request goes through the default gateway before exiting the local network (LAN) to reach the internet.
What happens if I turn off DHCP on my router?
The Premise Behind Disabling DHCP The idea is that most devices don’t anticipate the need for a static IP address and try to request an IP from the router. If the router doesn’t have DHCP enabled, it will ignore that request and the device won’t connect.
How can I Turn Off my router’s Lan DHCP server?
The LAN DHCP server feature is enabled by default on your router. This means that devices connected to your router can automatically obtain the IP address from your router. To turn off your router’s DHCP server feature, you can log into the web-based management page and turn the feature off manually.
Can a DHCP server send a default route?
The DHCP server configuration is wrong. It must not send a default gateway option when it can’t provide routing to the rest of the world. If it does send that option then any client may assume that it can send packets for any off-link destination to the specified default gateway.
How can I prevent a default route being added?
So eth0-specific configuration started looking like that: After saving this configuration and rebooting, there were no default route via eth0: Internet access appeared, and the problem was solved. On RHEL6/Fedora 22 the following has been tested. Replace eth1 with name of interface where default routing is not wanted.
Do you need a DHCP server for a domain controller?
Domain controllers do not require the DHCP Server service to operate and for higher security and server hardening, it is recommended not to install the DHCP Server role on domain controllers, but to install the DHCP Server role on member servers instead. To address this issue, carry out the following actions: